US2549436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1949-08-11
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Granted: 1951-04-17
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Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Arthur F Wirtel
- 👤 Owen H Pettingill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:06
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING A COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF BETA-TERPINEOL; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETA-TERPINEOL, ETHYLENE OXIDE AND PROPYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATED IN TERMS OF INITIAL REACTANTS LIES APPROXIMATELY WITHIN THE SEGMENT OF THE CIRCLE IN THE ACCOMPANYING DRAWING IN WHICH THE MINIMUM BETA-TERPINEOL CONTENT IS AT LEAST 4% AND WHICH CIRCLE IS IDENTIFIED BY THE FACT THAT POINTS 1,3 AND 6 LIE ON ITS CIRCUMFERENCE, AND WITH THE PROVISO THAT THE BETA-TERPINEOL BE REACTED FIRST WITH ALL THE PROPYLENE OXIDE AND THEN WITH THE ETHYLENE OXIDE.
Claim 2
Dependent Claim
125 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING A COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF BETA-TERPINEOL; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETA-TERPINEOL, ETHYLENE OXIDE AND PROPYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATED IN TERMS OF INITIAL REACTANTS LIES APPROXIMATELY WITHIN THE SEGMENT OF THE CIRCLE IN THE ACCOMPANYING DRAWING IN WHICH THE MINIMUM BETA-TERPINEOL CONTENT IS AT LEAST 4% AND WHICH CIRCLE IS IDENTIFIED BY THE FACT THAT POINTS 1,3 AND 6 LIE ON ITS CIRCUMFERENCE, AND WITH THE PROVISO THAT THE BETA-TERPINEOL BE REACTED FIRST WITH ALL THE PROPYLENE OXIDE AND THEN WITH THE ETHYLENE OXIDE.
References Cited (Backward Citations)
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US2317726A
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US2233383A
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US2243330A
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US2330474A
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US2440093A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |